Darren Kwong, D.O.
Internal Medicine Physician · Arcadia, CA
Darren Kwong, D.O. is an internal medicine physician with a practice address in Arcadia, California, and NPI 1831465707, issued on Mar 26, 2012. Check the license (California 20A13751, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Darren Kwong
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A13751 CA
Self-reported in NPPES; status is on the state search - Practice location
- 624 W Duarte RD Ste 102, Arcadia, CA 91007
- Phone
- (626) 254-9540
- Enumerated
- Mar 26, 2012
- Record last updated
- Jun 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20160119002703); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 624 W Duarte RD Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Cheng, M.D.Neurology Physician1700175312
- Gino ValaraoPhysician Assistant1588586374
Verify Darren Kwong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,633 Medicare Part D claims for 791 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 263 claims were for opioids.
Most prescribed
- Atorvastatin Calcium405 claims
- Amlodipine Besylate293 claims
- Alprazolam220 claims
- Levothyroxine Sodium172 claims
- Rosuvastatin Calcium166 claims
- Metformin Hcl159 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Pathways Healthcare IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren Kwong among 17,696 internal medicine physician records in California
Darren Kwong, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 internal medicine physician records list a practice address in Arcadia
They are 74 of the 2,033 NPPES records with a practice address in Arcadia, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Arcadia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vincent Antosz, MDArcadia, CA 910071831150135
- Phillip Cabasso, M.D.Arcadia, CA 910071609812841
- Pai-Hsiang Chen, D.OArcadia, CA 910071063405892
- Kuancheng Chen, MDArcadia, CA 910071235125790
- Eric Chwa, M.DArcadia, CA 910071962433607
- Nilar Chwa, M.DArcadia, CA 910071316978067
- Mary Jones, M.D.Arcadia, CA 910071902873805
- Fauzia Khan, MDArcadia, CA 910071326039678
Common questions
What is Darren Kwong, D.O.'s NPI number?
Darren Kwong, D.O.'s National Provider Identifier (NPI) is 1831465707, issued on Mar 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Darren Kwong, D.O. located?
The NPPES record lists a practice address at 624 W Duarte RD Ste 102, Arcadia, CA, 91007. Phone: (626) 254-9540. Providers update this record themselves, so call before visiting.
How can I verify Darren Kwong, D.O.'s license?
NPPES lists California license number 20A13751, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Darren Kwong, D.O. prescribe under Medicare Part D?
In 2024, Darren Kwong, D.O. had 6,633 Medicare Part D claims for 791 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.